diff --git a/dist/slackme.classes.slackmessage.d.ts b/dist/slackme.classes.slackmessage.d.ts
index 9a47a0e..3e18058 100644
--- a/dist/slackme.classes.slackmessage.d.ts
+++ b/dist/slackme.classes.slackmessage.d.ts
@@ -1,3 +1,8 @@
+export interface IAttachmentField {
+    title: string;
+    value: string;
+    short?: boolean;
+}
 export interface IMessageOptions {
     /**
      * "Required plain-text summary of the attachment."
@@ -11,24 +16,35 @@ export interface IMessageOptions {
      * a message to show above
      */
     pretext?: string;
-    "author_name"?: "Bobby Tables";
-    "author_link"?: "http://flickr.com/bobby/";
-    "author_icon"?: "http://flickr.com/icons/bobby.jpg";
-    "title"?: "Slack API Documentation";
-    "title_link"?: "https://api.slack.com/";
+    /**
+     * author name of the attachment
+     */
+    author_name?: string;
+    /**
+     * a link to the author
+     */
+    author_link?: string;
+    /**
+     * a string to the author
+     */
+    author_icon?: string;
+    /**
+     * a title for the attachment
+     */
+    title?: string;
+    /**
+     * a link for the title
+     */
+    title_link?: string;
     /**
      * the main text of the message
      */
     text?: string;
-    "fields"?: [{
-        "title"?: "Priority";
-        "value"?: "High";
-        "short"?: false;
-    }];
-    "image_url"?: "http://my-website.com/path/to/image.jpg";
-    "thumb_url"?: "http://example.com/path/to/thumb.png";
-    "footer"?: "Slack API";
-    "footer_icon"?: "https://platform.slack-edge.com/img/default_application_icon.png";
+    fields?: IAttachmentField[];
+    image_url?: string;
+    thumb_url?: string;
+    footer?: string;
+    footer_icon?: string;
     /**
      * timestamp as epoch time
      */
diff --git a/dist/slackme.classes.slackmessage.js b/dist/slackme.classes.slackmessage.js
index 64b32cc..f8badc4 100644
--- a/dist/slackme.classes.slackmessage.js
+++ b/dist/slackme.classes.slackmessage.js
@@ -6,4 +6,4 @@ class SlackMessage {
     }
 }
 exports.SlackMessage = SlackMessage;
-//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoic2xhY2ttZS5jbGFzc2VzLnNsYWNrbWVzc2FnZS5qcyIsInNvdXJjZVJvb3QiOiIiLCJzb3VyY2VzIjpbIi4uL3RzL3NsYWNrbWUuY2xhc3Nlcy5zbGFja21lc3NhZ2UudHMiXSwibmFtZXMiOltdLCJtYXBwaW5ncyI6Ijs7QUF5Q0E7SUFFRSxZQUFZLGNBQStCO1FBQ3pDLElBQUksQ0FBQyxjQUFjLEdBQUcsY0FBYyxDQUFBO0lBQ3RDLENBQUM7Q0FDRjtBQUxELG9DQUtDIn0=
\ No newline at end of file
+//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoic2xhY2ttZS5jbGFzc2VzLnNsYWNrbWVzc2FnZS5qcyIsInNvdXJjZVJvb3QiOiIiLCJzb3VyY2VzIjpbIi4uL3RzL3NsYWNrbWUuY2xhc3Nlcy5zbGFja21lc3NhZ2UudHMiXSwibmFtZXMiOltdLCJtYXBwaW5ncyI6Ijs7QUF3REE7SUFFRSxZQUFZLGNBQStCO1FBQ3pDLElBQUksQ0FBQyxjQUFjLEdBQUcsY0FBYyxDQUFBO0lBQ3RDLENBQUM7Q0FDRjtBQUxELG9DQUtDIn0=
\ No newline at end of file
diff --git a/test/test.ts b/test/test.ts
index 0f0ee8b..c2b86bb 100644
--- a/test/test.ts
+++ b/test/test.ts
@@ -13,8 +13,23 @@ tap.test('should create a valid slackme instance', async () => {
 
 tap.test('should send a message to Slack', async () => {
   let slackMessage = new slackme.SlackMessage({
-    text: 'hi. This is a text',
-    color: '#3cb371'
+    author_name: 'GitLab CI',
+    author_link: 'https://gitlab.com/',
+    pretext: '*Good News*: Build successfull!',
+    color: '#3cb371',
+    fields: [
+      {
+        title: 'Branch',
+        value: 'Lossless Cloud',
+        short: true
+      },
+      {
+        title: 'Product ID',
+        value: 'pushrocks',
+        short: true
+      }
+    ],
+    ts: (new Date()).getTime()
   })
   testSlackme.sendMessage(slackMessage, 'random')
 })
diff --git a/ts/slackme.classes.slackmessage.ts b/ts/slackme.classes.slackmessage.ts
index 1fbfa43..f753455 100644
--- a/ts/slackme.classes.slackmessage.ts
+++ b/ts/slackme.classes.slackmessage.ts
@@ -1,5 +1,11 @@
 import * as plugins from './slackme.plugins'
 
+export interface IAttachmentField {
+  title: string
+  value: string
+  short?: boolean
+}
+
 export interface IMessageOptions {
   /**
    * "Required plain-text summary of the attachment."
@@ -13,26 +19,35 @@ export interface IMessageOptions {
    * a message to show above
    */
   pretext?: string,
-  "author_name"?: "Bobby Tables",
-  "author_link"?: "http://flickr.com/bobby/",
-  "author_icon"?: "http://flickr.com/icons/bobby.jpg",
-  "title"?: "Slack API Documentation",
-  "title_link"?: "https://api.slack.com/",
+  /**
+   * author name of the attachment
+   */
+  author_name?: string,
+  /**
+   * a link to the author
+   */
+  author_link?: string,
+  /**
+   * a string to the author
+   */
+  author_icon?: string,
+  /**
+   * a title for the attachment
+   */
+  title?: string,
+  /**
+   * a link for the title
+   */
+  title_link?: string,
   /**
    * the main text of the message
    */
   text?: string,
-  "fields"?: [
-    {
-      "title"?: "Priority",
-      "value"?: "High",
-      "short"?: false
-    }
-  ],
-  "image_url"?: "http://my-website.com/path/to/image.jpg",
-  "thumb_url"?: "http://example.com/path/to/thumb.png",
-  "footer"?: "Slack API",
-  "footer_icon"?: "https://platform.slack-edge.com/img/default_application_icon.png",
+  fields?: IAttachmentField[],
+  image_url?: string,
+  thumb_url?: string,
+  footer?: string,
+  footer_icon?: string,
   /**
    * timestamp as epoch time
    */